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Document Title |
JP6501648B2 |
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JP2019023427A |
To provide a core collecting device capable of acquiring data for examining the accuracy of a collected core, a boring device using the core collecting device, and a method of collecting a core.A core collecting device is detachable to o...
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JP6461335B2 |
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JPWO2017146170A1 |
By digging the seabed ground A with the excavation cylinder 31, a circular annular groove 50 is formed, and a cylindrical geological sample planned portion 51 is formed inside the annular groove 50 in the radial direction. Next, the samp...
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JP6433338B2 |
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JP2018145599A |
To provide a sampling method of soil samples for quickly lifting frozen soil without cutting work (coring) of the circumference of a frozen soil sample (frozen soil column), and a sampling device.A sampling method of soil samples compris...
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JP6388306B2 |
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JP6371265B2 |
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JP6370271B2 |
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JP2018091124A |
To solve a problem in which: in an embankment structure, when a plurality of specimens that are collected in a depth direction as conventional are used, it is impossible to accurately determine soil strength based on Mohr's stress circle...
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JP6322719B2 |
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JP6309695B2 |
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JP6307177B2 |
The invention relates to underwater drilling for procuring and analyzing ground samples of a bed of a body of water. An underwater drilling device placed onto a bed of the body of water. By a drill drive a drill rod composed of at least ...
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JP6296451B2 |
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JP6288707B2 |
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JP3213235U |
[Subject] A direction and height of an inner pipe can be set up easily and a core extraction device which can shorten discontinuation time by core recovery sharply is provided. [Means for Solution] Outside pipe 23 which was connected wit...
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JP6184899B2 |
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JP6176847B2 |
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JP6149057B2 |
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JP6108675B2 |
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JP6095217B2 |
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JP6048934B2 |
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JP6016419B2 |
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JP5986764B2 |
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JP5920739B1 |
[Subject] The present invention is to acquire the foundation sampling equipment and the foundation sample extraction method the 3 phases of Solid , liquid, and mind are mainly extractable [in the state near the original foundation] from ...
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JP5792186B2 |
A methane content of a bottom sample comprising methane hydrate crystals is determined by:—taking a core sample (5) from a bottom sediment (3) in a deepwater area;—storing the core sample (5) in a storage chamber (4);—lifting the s...
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JP5753289B2 |
To provide a mineral sampling kit for mineral monocrystal collection for easily sampling only a crystal portion of a mineral by including a plurality of sampling members having different inner diameters and replacing to a sampling member...
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JP2015504994A |
A system for excavating underground perforations at seafloor locations is provided. The system downhauls a drilling unit for the submarine position that can be remotely controlled from the water to drill a drill using a drill string, and...
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JP2014173303A |
To provide a core sampling device capable of sampling a core of good quality while preventing the core from being disturbed when the core is sampled.In a core sampling device which samples a core inside of a core tube, the core tube is c...
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JP5571593B2 |
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JP5520643B2 |
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JP5511642B2 |
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JP5510958B2 |
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JP2014073624A |
To enhance working efficiency of a series of drilling operations including a setup for preventing a core from falling on a construction site, by greatly shortening time for the setup.Before a through-hole TH is formed on a concrete floor...
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JP5386136B2 |
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JP5390206B2 |
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JP5379858B2 |
A system for coring an underground formation surrounding a borehole, comprising: a tool body that can be positioned in the borehole near the formation to be cored, the tool body including a motor; a rotary drive head connected to the mot...
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JP5342744B2 |
To prevent various pipes etc. embedded in a concrete structure from being cut or damaged, when boring the concrete structure. This boring method is to form a hole in the concrete structure 65 employs a columnar grinding wheel bit 55 whos...
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JP5305522B2 |
To provide a coring technique capable of preventing a core from coming off even in a super weak nature of soil containing much moisture, and capable of supporting sufficiently and recovering surely the core. This coring device is formed ...
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JP5273647B2 |
To restore a paved road in a short time, to reduce delivery cost by eliminating the excessive manufacturing and delivery of a paving mixture, and to suppress the generation of industrial waste. This paving mixture delivery system for del...
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JP5230576B2 |
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JP2013036192A |
To provide a sleeve storage-type wire line core barrel capable of properly collecting a core by shortening the length of a leading end of an inner pipe part, in which the core is not stored in a sleeve, to the utmost to inhibit core clog...
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JP5124010B2 |
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JP5124009B2 |
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JP2012233325A |
To provide a borehole excavation method capable of easily reducing a viable bacteria count in excavated water used in an excavation process and obtaining a core and a groundwater sample with reduced microorganism contamination without re...
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JP5079835B2 |
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JP5058043B2 |
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JP5031278B2 |
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JP5025034B1 |
To provide an orientation confirmation head capable of collecting a core having information on an orientation. A baby rod (26) housed in a boring rod (10b) fixed to an outer head (10a) is provided so that the baby rod can rotate together...
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JP5023758B2 |
To provide a sand sampling device capable of sampling easily sand of a deep part, even when it is a narrow location. This device is equipped with a cylindrical body 2 formed elongated in the vertical direction, and knocked into the sand;...
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